Below is a list of Mount Olive MS zip codes. For your research we have also included Mount Olive Area Code, Time Zone, UTC and the local Covington County FIPS Code. Each Mount Olive Mississippi zip code has a center Longitude / Latitude point (the Mount Olive center is -89.65299987793 / 31.759799957275). For your convenience we have also indicated if that zip code in Mount Olive observes Daylight Savings time.